There's still so much that we don't know about digestion and about what causes gastro intestinal distress. I gess it just as a fiction that we keep chasing without really a whole lot of evidenceo to back it up. If you eat like, a decent amount of olestra food, every single day, after three or four days, there's about a 20 % chance that you'll get some bomo symptom. But in extremely rare cases, it sounds like something supersevere happen. And that's like olestra famously sort of a diarhoeo factory. And orlistat, also famously a diarhaoo factory. Rayat's a pretty unique situation, right